git-send-email.txt: clarify which options take an argument.

Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/git-send-email.txt

@@ -39,13 +39,13 @@ OPTIONS
 Composing
 ~~~~~~~~~
 
---bcc::
+--bcc=<address>::
 	Specify a "Bcc:" value for each email. Default is the value of
 	'sendemail.bcc'.
 +
 The --bcc option must be repeated for each user you want on the bcc list.
 
---cc::
+--cc=<address>::
 	Specify a starting "Cc:" value for each email.
 	Default is the value of 'sendemail.cc'.
 +
@@ -68,24 +68,24 @@ and In-Reply-To headers will be used unless they are removed.
 +
 Missing From or In-Reply-To headers will be prompted for.
 
---from::
+--from=<address>::
 	Specify the sender of the emails.  This will default to
 	the value GIT_COMMITTER_IDENT, as returned by "git var -l".
 	The user will still be prompted to confirm this entry.
 
---in-reply-to::
+--in-reply-to=<identifier>::
 	Specify the contents of the first In-Reply-To header.
 	Subsequent emails will refer to the previous email
 	instead of this if --chain-reply-to is set (the default)
 	Only necessary if --compose is also set.  If --compose
 	is not set, this will be prompted for.
 
---subject::
+--subject=<string>::
 	Specify the initial subject of the email thread.
 	Only necessary if --compose is also set.  If --compose
 	is not set, this will be prompted for.
 
---to::
+--to=<address>::
 	Specify the primary recipient of the emails generated. Generally, this
 	will be the upstream maintainer of the project involved. Default is the
 	value of the 'sendemail.to' configuration value; if that is unspecified,
@@ -97,7 +97,7 @@ The --to option must be repeated for each user you want on the to list.
 Sending
 ~~~~~~~
 
---envelope-sender::
+--envelope-sender=<address>::
 	Specify the envelope sender used to send the emails.
 	This is useful if your default address is not the address that is
 	subscribed to a list. If you use the sendmail binary, you must have
@@ -105,12 +105,12 @@ Sending
 	the 'sendemail.envelopesender' configuration variable; if that is
 	unspecified, choosing the envelope sender is left to your MTA.
 
---smtp-encryption::
+--smtp-encryption=<encryption>::
 	Specify the encryption to use, either 'ssl' or 'tls'.  Any other
 	value reverts to plain SMTP.  Default is the value of
 	'sendemail.smtpencryption'.
 
---smtp-pass::
+--smtp-pass[=<password>]::
 	Password for SMTP-AUTH. The argument is optional: If no
 	argument is specified, then the empty string is used as
 	the password. Default is the value of 'sendemail.smtppass',
@@ -122,7 +122,7 @@ or on the command line. If a username has been specified (with
 specified (with '--smtp-pass' or 'sendemail.smtppass'), then the
 user is prompted for a password while the input is masked for privacy.
 
---smtp-server::
+--smtp-server=<host>::
 	If set, specifies the outgoing SMTP server to use (e.g.
 	`smtp.example.com` or a raw IP address).  Alternatively it can
 	specify a full pathname of a sendmail-like program instead;
@@ -132,7 +132,7 @@ user is prompted for a password while the input is masked for privacy.
 	`/usr/lib/sendmail` if such program is available, or
 	`localhost` otherwise.
 
---smtp-server-port::
+--smtp-server-port=<port>::
 	Specifies a port different from the default port (SMTP
 	servers typically listen to smtp port 25 and ssmtp port
 	465). This can be set with 'sendemail.smtpserverport'.
@@ -140,7 +140,7 @@ user is prompted for a password while the input is masked for privacy.
 --smtp-ssl::
 	Legacy alias for '--smtp-encryption ssl'.
 
---smtp-user::
+--smtp-user=<user>::
 	Username for SMTP-AUTH. Default is the value of 'sendemail.smtpuser';
 	if a username is not specified (with '--smtp-user' or 'sendemail.smtpuser'),
 	then authentication is not attempted.
@@ -149,13 +149,13 @@ user is prompted for a password while the input is masked for privacy.
 Automating
 ~~~~~~~~~~
 
---cc-cmd::
+--cc-cmd=<command>::
 	Specify a command to execute once per patch file which
 	should generate patch file specific "Cc:" entries.
 	Output of this command must be single email address per line.
 	Default is the value of 'sendemail.cccmd' configuration value.
 
---[no-]chain-reply-to::
+--[no-]chain-reply-to=<identifier>::
 	If this is set, each email will be sent as a reply to the previous
 	email sent.  If disabled with "--no-chain-reply-to", all emails after
 	the first will be sent as replies to the first email sent.  When using
@@ -163,7 +163,7 @@ Automating
 	entire patch series. Default is the value of the 'sendemail.chainreplyto'
 	configuration value; if that is unspecified, default to --chain-reply-to.
 
---identity::
+--identity=<identity>::
 	A configuration identity. When given, causes values in the
 	'sendemail.<identity>' subsection to take precedence over
 	values in the 'sendemail' section. The default identity is
@@ -174,7 +174,7 @@ Automating
 	cc list. Default is the value of 'sendemail.signedoffbycc' configuration
 	value; if that is unspecified, default to --signed-off-by-cc.
 
---suppress-cc::
+--suppress-cc=<category>::
 	Specify an additional category of recipients to suppress the
 	auto-cc of:
 +
@@ -211,7 +211,7 @@ specified, as well as 'body' if --no-signed-off-cc is specified.
 Administering
 ~~~~~~~~~~~~~
 
---confirm::
+--confirm=<mode>::
 	Confirm just before sending:
 +
 --